Technical data
Publication 1794-2.1 - January 2000
114 24V dc 2 Input/2 Output Isolated Analog Combo Module Cat. No. 1794-IF2XOF2I FLEX I/O and FLEX Integra Product Data
24V dc 2 Input/2 Output Isolated Analog Combo Module Cat. No. 1794-IF2XOF2I
Recommended
Terminal Base
Compatible
Terminal Base(s)
* The TB3T provides convenient ground terminations but fewer dc common terminations.
1794-IF2XOF2I
ANALOG COMBO
RETI V RET I
RET
V RET
5
RETI V RET I
RET
V RET
INPUT 0 INPUT 1
OK
OUTPUT 0 OUTPUT 1
40141
*
TB3 TB3S TB2 TB3T TB3TS TBN
40142
Input Device
power
source
Shielded
Twisted Pair
Cable
V
in
I
in
V
in
return
I
in
return
+15V
A-2
A-3
A-0
A-1
+Vth
-Vth
+
-
+15V
-15V
+
-
+15V
-15V
A/D
+
-
+
-
Optical
Isolation
Micro
Controller
Flexbus
Interface
Optical
Isolation
A/D
other
channels
Simplified Schematic of Input 0 Showing Connections for a Voltage Input TB3, TB3S, TB2, TB3T, TB3TS shown
40143
Output Device
power
source
Shielded
Twisted Pair
Cable
V
out
I
out
V
out
return
I
out
return
A-10
A-11
A-8
A-9
D/A
Optical
Isolation
Micro
Controller
Flexbus
Interface
Optical
Isolation
other
channels
D/A
+15V
-15V
+
-
+15V
V/I
Converter
Short Ckt
Protect
-15V
Open-Loop Status
Simplified Schematic of Output 0 Showing Connections for a Voltage Output TB3, TB3S, TB2, TB3T, TB3TS shown